if (code[13] == 'B') //mi tag es: x2400CC392AFBxxx y el otro tag que tengo es x2400CC572897xxx { Serial.println(code[13]); digitalWrite(13, HIGH); } else { Serial.println(code[13]); digitalWrite(13, HIGH); // set the LED on delay(1000); // wait for a second digitalWrite(13, LOW); // set the LED off delay(1000); digitalWrite(13, HIGH); // set the LED on delay(1000); // wait for a second digitalWrite(13, LOW); // set the LED off delay(1000);